#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#define BUF_SIZE 1024

int main(int argc,char *argv[])
{
    int sock;
    char message[BUF_SIZE];
    int str_len;

    struct sockaddr_in serv_addr;

    sock = socket(PF_INET, SOCK_STREAM, 0);
    memset(&serv_addr, 0, sizeof(serv_addr));
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_addr.s_addr = inet_addr(argv[1]);
    serv_addr.sin_port = htons((uint16_t)atoi(argv[2]));

    connect(sock, (const struct sockaddr *)&serv_addr, sizeof(serv_addr));
    while(1) {
        fputs("输入消息内容：", stdout);
        fgets(message, BUF_SIZE, stdin);
        if(!strcmp(message, "q\n")) {
            break;
        }
        write(sock, message, strlen(message));
        str_len = (int)read(sock, message, BUF_SIZE - 1);
        message[str_len] = 0;
        printf("从服务器发来的字段：%s\n", message);
    }
    close(sock);
    return 0;
}
